Short Answer
A ball is dropped from a rooftop of a building and falls for two seconds. The acceleration of gravity is 9.8 m/s2. The ball is referred to at the two-second time.
-The ball is referred to at the two-second time.The velocity is __________.
Correct Answer:

Verified
Correct Answer:
Verified
Q78: A high performance aircraft is executing a
Q79: Match each item with the correct statement
Q80: Instantaneous speed and average speed are equal<br>A)always.<br>B)for
Q81: Experimenting is part of the scientific method.
Q82: Uniform motion is any motion at constant
Q84: The figure shows a distance versus time
Q85: The figure shows a distance vs.time graph
Q86: If an object's speed is constant,its velocity
Q87: Match each item with the correct statement
Q88: The figure shows a distance vs.time graph